68938820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149867}}^1$

素因数の和:149899

約数の個数: 24

約数和(自身を含む): 151066944

約数和(自身を除く): 82128124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 149867, 299734, 599468, 749335, 1498670, 2997340, 3446941, 6893882, 13787764, 17234705, 34469410, 68938820]

約数ペア:

[(1, 68938820), (2, 34469410), (4, 17234705), (5, 13787764), (10, 6893882), (20, 3446941), (23, 2997340), (46, 1498670), (92, 749335), (115, 599468), (230, 299734), (460, 149867)]